Standard SRAM, 256KX4, 20ns, CMOS, PDSO28, 0.400 INCH, ROHS COMPLIANT, PLASTIC, SOJ-28
| 参数名称 | 属性值 |
| 厂商名称 | IDT (Integrated Device Technology) |
| 零件包装代码 | SOJ |
| 包装说明 | SOJ, |
| 针数 | 28 |
| Reach Compliance Code | unknown |
| ECCN代码 | 3A991.B.2.B |
| 最长访问时间 | 20 ns |
| JESD-30 代码 | R-PDSO-J28 |
| JESD-609代码 | e3 |
| 内存密度 | 1048576 bit |
| 内存集成电路类型 | STANDARD SRAM |
| 内存宽度 | 4 |
| 功能数量 | 1 |
| 端子数量 | 28 |
| 字数 | 262144 words |
| 字数代码 | 256000 |
| 工作模式 | ASYNCHRONOUS |
| 最高工作温度 | 70 °C |
| 最低工作温度 | |
| 组织 | 256KX4 |
| 封装主体材料 | PLASTIC/EPOXY |
| 封装代码 | SOJ |
| 封装形状 | RECTANGULAR |
| 封装形式 | SMALL OUTLINE |
| 并行/串行 | PARALLEL |
| 认证状态 | Not Qualified |
| 最大供电电压 (Vsup) | 5.5 V |
| 最小供电电压 (Vsup) | 4.5 V |
| 标称供电电压 (Vsup) | 5 V |
| 表面贴装 | YES |
| 技术 | CMOS |
| 温度等级 | COMMERCIAL |
| 端子面层 | MATTE TIN |
| 端子形式 | J BEND |
| 端子位置 | DUAL |
| IDT71028S20YG8 | IDT71028S15YG | IDT71028S12YG | IDT71028S15YGI | IDT71028S12YGI | IDT71028S20YG | IDT71028S20YGI | IDT71028S12YG8 | IDT71028S15YG8 | |
|---|---|---|---|---|---|---|---|---|---|
| 描述 | Standard SRAM, 256KX4, 20ns, CMOS, PDSO28, 0.400 INCH, ROHS COMPLIANT, PLASTIC, SOJ-28 | Standard SRAM, 256KX4, 15ns, CMOS, PDSO28, 0.400 INCH, PLASTIC, SOJ-28 | Standard SRAM, 256KX4, 12ns, CMOS, PDSO28, 0.400 INCH, PLASTIC, SOJ-28 | Standard SRAM, 256KX4, 15ns, CMOS, PDSO28, 0.400 INCH, PLASTIC, SOJ-28 | Standard SRAM, 256KX4, 12ns, CMOS, PDSO28, 0.400 INCH, PLASTIC, SOJ-28 | Standard SRAM, 256KX4, 20ns, CMOS, PDSO28, 0.400 INCH, PLASTIC, SOJ-28 | Standard SRAM, 256KX4, 20ns, CMOS, PDSO28, 0.400 INCH, PLASTIC, SOJ-28 | Standard SRAM, 256KX4, 12ns, CMOS, PDSO28, 0.400 INCH, ROHS COMPLIANT, PLASTIC, SOJ-28 | Standard SRAM, 256KX4, 15ns, CMOS, PDSO28, 0.400 INCH, ROHS COMPLIANT, PLASTIC, SOJ-28 |
| 厂商名称 | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) |
| 零件包装代码 | SOJ | SOJ | SOJ | SOJ | SOJ | SOJ | SOJ | SOJ | SOJ |
| 包装说明 | SOJ, | 0.400 INCH, PLASTIC, SOJ-28 | 0.400 INCH, PLASTIC, SOJ-28 | 0.400 INCH, PLASTIC, SOJ-28 | 0.400 INCH, PLASTIC, SOJ-28 | 0.400 INCH, PLASTIC, SOJ-28 | 0.400 INCH, PLASTIC, SOJ-28 | SOJ, | SOJ, |
| 针数 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Reach Compliance Code | unknown | unknown | unknown | unknown | unknown | unknown | unknown | unknown | unknown |
| ECCN代码 | 3A991.B.2.B | 3A991.B.2.B | 3A991.B.2.B | 3A991.B.2.B | 3A991.B.2.B | 3A991.B.2.B | 3A991.B.2.B | 3A991.B.2.B | 3A991.B.2.B |
| 最长访问时间 | 20 ns | 15 ns | 12 ns | 15 ns | 12 ns | 20 ns | 20 ns | 12 ns | 15 ns |
| JESD-30 代码 | R-PDSO-J28 | R-PDSO-J28 | R-PDSO-J28 | R-PDSO-J28 | R-PDSO-J28 | R-PDSO-J28 | R-PDSO-J28 | R-PDSO-J28 | R-PDSO-J28 |
| JESD-609代码 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 |
| 内存密度 | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit | 1048576 bit |
| 内存集成电路类型 | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM | STANDARD SRAM |
| 内存宽度 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 功能数量 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 端子数量 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| 字数 | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words | 262144 words |
| 字数代码 | 256000 | 256000 | 256000 | 256000 | 256000 | 256000 | 256000 | 256000 | 256000 |
| 工作模式 | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS |
| 最高工作温度 | 70 °C | 70 °C | 70 °C | 85 °C | 85 °C | 70 °C | 85 °C | 70 °C | 70 °C |
| 组织 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 | 256KX4 |
| 封装主体材料 | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| 封装代码 | SOJ | SOJ | SOJ | SOJ | SOJ | SOJ | SOJ | SOJ | SOJ |
| 封装形状 | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| 封装形式 | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| 并行/串行 | PARALLEL | PARALLEL | PARALLEL | PARALLEL | PARALLEL | PARALLEL | PARALLEL | PARALLEL | PARALLEL |
| 认证状态 | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| 最大供电电压 (Vsup) | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| 最小供电电压 (Vsup) | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V |
| 标称供电电压 (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| 表面贴装 | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| 技术 | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| 温度等级 | COMMERCIAL | COMMERCIAL | COMMERCIAL | INDUSTRIAL | INDUSTRIAL | COMMERCIAL | INDUSTRIAL | COMMERCIAL | COMMERCIAL |
| 端子面层 | MATTE TIN | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | MATTE TIN | MATTE TIN |
| 端子形式 | J BEND | J BEND | J BEND | J BEND | J BEND | J BEND | J BEND | J BEND | J BEND |
| 端子位置 | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| 是否Rohs认证 | - | 符合 | 符合 | 符合 | 符合 | 符合 | 符合 | - | - |
| I/O 类型 | - | COMMON | COMMON | COMMON | COMMON | COMMON | COMMON | - | - |
| 湿度敏感等级 | - | 3 | 3 | 3 | 3 | 3 | 3 | - | - |
| 输出特性 | - | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | - | - |
| 封装等效代码 | - | SOJ28,.44 | SOJ28,.44 | SOJ28,.44 | SOJ28,.44 | SOJ28,.44 | SOJ28,.44 | - | - |
| 峰值回流温度（摄氏度） | - | 260 | 260 | 260 | 260 | 260 | 260 | - | - |
| 电源 | - | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | - | - |
| 最大待机电流 | - | 0.01 A | 0.01 A | 0.01 A | 0.01 A | 0.01 A | 0.01 A | - | - |
| 最小待机电流 | - | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V | - | - |
| 最大压摆率 | - | 0.15 mA | 0.155 mA | 0.165 mA | 0.17 mA | 0.145 mA | 0.16 mA | - | - |
| 端子节距 | - | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | - |
| 处于峰值回流温度下的最长时间 | - | 30 | 30 | 30 | 30 | 30 | 30 | - | - |
| 长度 | - | - | 18.415 mm | 18.415 mm | 18.415 mm | - | 18.415 mm | 18.415 mm | - |
| 座面最大高度 | - | - | 3.683 mm | 3.683 mm | 3.683 mm | - | 3.683 mm | 3.683 mm | - |
| 宽度 | - | - | 10.16 mm | 10.16 mm | 10.16 mm | - | 10.16 mm | 10.16 mm | - |
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